package com.atguigu.gulimall.product.config;

import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

/**
 * @FileName MyCacheConfig
 * @Description
 * @Author msh
 * @date 2025-10-25
 **/
@EnableConfigurationProperties(CacheProperties.class)// 开启yml配置文件的配置
@EnableCaching// 开启springCache
@Configuration
public class MyCacheConfig {

//    @Autowired
//    CacheProperties cacheProperties;
    /**
     * 该配置类会将yml配置文件上的配置给覆盖掉,需要开启一下
     * @return
     */
    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        //配置 键值的序列化方式
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericFastJsonRedisSerializer()));

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();

        // 将yml配置文件中的所有配置生效
        if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
        }
        if (!redisProperties.isCacheNullValues()){
            config = config.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()){
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
